Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 9°F | 24°F | 16°F | 1.2" |
February | 11°F | 28°F | 18°F | 2.3" |
March | 27°F | 44°F | 34°F | 2.2" |
April | 39°F | 59°F | 47°F | 2.9" |
May | 50°F | 71°F | 59°F | 4.0" |
June | 60°F | 80°F | 69°F | 5.5" |
July | 64°F | 83°F | 73°F | 6.8" |
August | 61°F | 80°F | 70°F | 6.7" |
September | 53°F | 74°F | 63°F | 4.4" |
October | 41°F | 60°F | 49°F | 3.0" |
November | 28°F | 45°F | 36°F | 2.0" |
December | 13°F | 28°F | 20°F | 1.4" |
Index | Lake Crystal | Minnesota | National |
Air quality index | 46 | 35 | 42 |
Pollution index | 2,548,510 | 1,854,519 | 2,726,193 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 214 |
Days with moderate air quality | 148 |
Days w/ poor A.Q. for sensitive groups | 2 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.010% |
Benzene | 0.050% |
Carbon Tetrachloride | 0.020% |
Lead | 0.330% |
Mercury | 0.490% |
City | Population | Air Quality Index | National Avg. |
Vernon Center, MN | 355 | 15 | 70.0% |
Amboy, MN | 614 | 15 | 70.0% |
Good Thunder, MN | 558 | 15 | 70.0% |
Mapleton, MN | 1,606 | 15 | 70.0% |
Madelia, MN | 2,539 | 32 | 36.0% |
Lake Crystal, MN | 2,496 | 46 | 8.0% |
City | Population | Air Quality Index | National Avg. |
Silver Lake, OH | 2,496 | 43 | 14.0% |
Yardley, PA | 2,496 | 41 | 18.0% |
Redfield, SD | 2,496 | 20 | 60.0% |
Saint-Mathieu, QC | 2,496 | n/a | |
Santa Claus, IN | 2,495 | 6 | 88.0% |
Lake Crystal, MN | 2,496 | 46 | 8.0% |